<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script src="https://unpkg.com/vue@next"></script>
<div id="app">
    <blog-item v-for="item in blogList" :title="item.title" :key="item.id"></blog-item>
</div>
<script>
    const vueOpt = {
        data(){
            return　{
                blogList: [
                    {id: 1, title: 'aaa'},
                    {id: 2, title: 'bbb'},
                    {id: 3, title: 'ccc'}
                ]
            }
        }
    }

    const app = Vue.createApp(vueOpt)
    app.component('blog-item', {
        data(){
            return {
            }
        },

        props: ['title'],
        template: `<div>{{title}}</div>`
    })
    app.mount('#app')
</script>
</body>
</html>
